/**
 * @author 35326
 * @date 2021/3/9 17:26
 */
public class Jingdu {
    public static void main(String[] args) {
        byte b=22;
        int n=129;
        float f=123456.6789f;
        double d=123456789.123456789;
        System.out.println(b);
        System.out.println(n);
        System.out.println(f);
        System.out.println(d);
        b=(byte)n;
        f=(float)d;
        System.out.println(b);
        System.out.println(f);

    }
}
